<template>
  <div class="login_container">
    <div class="login_box">
<!--      头像区域-->
      <div class="avatar">
        <img src="../assets/电商.png" alt="">
      </div>
<!--      登陆表单-->
      <el-form ref="loginFormRef" label-width="0px" class="login_form" :model="loginForm" :rules="loginFormRule">
<!--        用户输入-->
        <el-form-item prop="username">
          <el-input prefix-icon="el-icon-user-solid" v-model="loginForm.username"></el-input>
        </el-form-item>
<!--        密码-->
        <el-form-item prop="password">
          <el-input prefix-icon="el-icon-lock" v-model="loginForm.password" type="password"></el-input>
        </el-form-item>
<!--        按钮-->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLogin">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'login',
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRule: {
        username: [
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetLogin () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登陆失败')
        this.$message.success('登陆成功')
        // 给浏览器保存token。
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container{
  background-color: deepskyblue;
  height: 100%;
}
.login_box{
  background-color: darkseagreen;
  width: 450px;
  height: 330px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  .avatar{
    width: 130px;
    height: 130px;
    border: 1px solid white;
    padding: 10px;
    border-radius: 50%;
    background-color: white;
    box-shadow: 1px 1px 5px #eee;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    img{
      width: 100%;
      height: 100%;
      background-color: antiquewhite;
      border-radius: 50%;
    }
  }
}
.login_form{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
}
.btns{
  display: flex;
  justify-content: flex-end;
}
</style>
